From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id ABE35C636CC for ; Mon, 13 Feb 2023 23:13:01 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 0DEE56B0075; Mon, 13 Feb 2023 18:13:01 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 041ED6B0078; Mon, 13 Feb 2023 18:13:00 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E23096B007B; Mon, 13 Feb 2023 18:13:00 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id CFC4F6B0075 for ; Mon, 13 Feb 2023 18:13:00 -0500 (EST) Received: from smtpin04.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id 9917912072B for ; Mon, 13 Feb 2023 23:13:00 +0000 (UTC) X-FDA: 80463820920.04.66BF5FB Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by imf10.hostedemail.com (Postfix) with ESMTP id C5BF3C000C for ; Mon, 13 Feb 2023 23:12:58 +0000 (UTC) Authentication-Results: imf10.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=HDBihKVT; spf=pass (imf10.hostedemail.com: domain of dhowells@redhat.com designates 170.10.133.124 as permitted sender) smtp.mailfrom=dhowells@redhat.com; dmarc=pass (policy=none) header.from=redhat.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1676329978; a=rsa-sha256; cv=none; b=emh2KpIT8IVt0+CPJKVg6dIKmLBeRLZ5nTJr89GXGD648rhSIz7JMYY9TkI6+7ikWCD7+o o7NZ0yy3+MjbV2V2kMNPxdXmOjacWEiZJ1NdX2IBXspcdTP5+LkVFhezPoFqrf1VvSOigu 7m55SH9Tly3Wa2aZ71kgyes1f6289Dk= ARC-Authentication-Results: i=1; imf10.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=HDBihKVT; spf=pass (imf10.hostedemail.com: domain of dhowells@redhat.com designates 170.10.133.124 as permitted sender) smtp.mailfrom=dhowells@redhat.com; dmarc=pass (policy=none) header.from=redhat.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1676329978; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=LYmJn2Xer4KEDlDXHqGYG+hy1nC8sep09jW5bSjh8tI=; b=H74F28kdlx/FJuI5x+htSflUkkm2D/SITwKQ7NJg4pIa1RHs3oK0KERxrWNi9OvIfutiNQ 2DCUXk/8WbpGj2eJNXsE12xWl6s0pDwzQKJ4T6ycSzk2vQOAR73SahqV1T4VEP9su0nMYm Ctdx0have3AePzoDaVS97tme0Ew+z9k= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1676329977; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=LYmJn2Xer4KEDlDXHqGYG+hy1nC8sep09jW5bSjh8tI=; b=HDBihKVTja4a91wiZEHahY1okLv7+dm+WEqfW+QkQgq/3V1nZv4kmfz2XdH6VyR2AvxaWL KmYH0rZdkmm30qFjithRfivr76twHDlHBr32Y7VuNRgJ+KLor13q6oTrx1FMuJj7eR/l7a wvOBo1OnbNs17yguCgh8j74jpOdtig0= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-208-xMiptjDDNwet5_-0FdnxTw-1; Mon, 13 Feb 2023 18:12:54 -0500 X-MC-Unique: xMiptjDDNwet5_-0FdnxTw-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 6C51429A9D4E; Mon, 13 Feb 2023 23:12:53 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.33.36.24]) by smtp.corp.redhat.com (Postfix) with ESMTP id 477A940CF8ED; Mon, 13 Feb 2023 23:12:51 +0000 (UTC) Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <55e2bef1-e8b5-3475-21df-487bddb47f5b@roeck-us.net> References: <55e2bef1-e8b5-3475-21df-487bddb47f5b@roeck-us.net> <20230213180632.GA368628@roeck-us.net> <20230209102954.528942-1-dhowells@redhat.com> <20230209102954.528942-4-dhowells@redhat.com> <2416073.1676328192@warthog.procyon.org.uk> To: Guenter Roeck Cc: dhowells@redhat.com, Jens Axboe , Al Viro , Christoph Hellwig , Matthew Wilcox , Jan Kara , Jeff Layton , David Hildenbrand , Jason Gunthorpe , Logan Gunthorpe , Hillf Danton , linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Christoph Hellwig , John Hubbard Subject: Re: [PATCH v13 03/12] splice: Do splice read from a buffered file without using ITER_PIPE MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <2451112.1676329970.1@warthog.procyon.org.uk> Date: Mon, 13 Feb 2023 23:12:50 +0000 Message-ID: <2451113.1676329970@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.1 on 10.11.54.1 X-Rspam-User: X-Rspamd-Queue-Id: C5BF3C000C X-Rspamd-Server: rspam01 X-Stat-Signature: 48awbirjpo8ftu7k3snbe9nn88yuz13f X-HE-Tag: 1676329978-308308 X-HE-Meta: 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 2p03/2RG OnCAJpTvH9oW2rJ7D6gV8HphYi+0wvg4fsGdIKnavEF3xZr+6403R5qRf9VoTzhhAkHSU8ua8PKvjH0wxtLovWVznyXnMHf0u0fwubN8XPGCS64A42gDrXDimIKpfTN7ErIWi4XkO/vVRNZp9qZWQ7q+wSouUm4u/SSJHnsrw57G6ueXl6YgKy/TMqbDd4v4oXNre8KCtRghoWg+YUNjhhW3uSvuy2OMEy2OZKwufnfQrfwijBv0o3hIcHzspjn+SqXqJw5BYfiqR5TaqAFSnIugaUzEIntI5YzoLMPpmKhfOyI++3tveQMd1Pw== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Guenter Roeck wrote: > Both are initrd. Do you mean rootfs? And, if so, is that tmpfs-based or ramfs-based? David